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  • Arrange the following in decreasing order their melting point 1) NeoPentane 2) n-pentane 3) IsopentaneOption: 1 1>2>3<d

Arrange the following in decreasing order their melting point

1) NeoPentane 2) n-pentane 3) Isopentane

Option: 1

1>2>3


Option: 2

3>2>1


Option: 3

1>3>2


Option: 4

3>1>2


Answers (2)

best_answer

Neopentane(C_5H_1_2):

Image result for neopentane structure formula

n-Pentane(C_5H_1_2):

Image result for n-pentane structure formula

isopentane(C_5H_1_2):

Image result for iso-pentane structure formula

For different isomers of an alkane, an alkane with a spherical shape molecule has the highest melting point due to the most compact packing in solid state.

\mathrm{Melting \, Point \Rightarrow neopentane > n-pentane > isopentane}

Therefore, option (1) is correct.

 

Posted by

chirag

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Arrange the following in decreasing order their melting point

1) NeoPentane 2) n-pentane 3) Isopentane

Posted by

Laxmi Gaikwad

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